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Related Experiment Videos

Transgenic mouse and gene therapy

K Harada1, H Shimano, S Ishibashi

  • 1Third Department of Internal Medicine, Faculty of Medicine, Tokyo University, Japan.

Diabetes
|July 1, 1996
PubMed
Summary
This summary is machine-generated.

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Transgenic mice models overexpressing apolipoprotein E (apoE) in the liver or arterial wall demonstrated reduced cholesterol and inhibited lesion formation, highlighting apoE

Area of Science:

  • Genetics and Molecular Biology
  • Cardiovascular Research
  • Metabolic Diseases

Background:

  • Transgenic mice are crucial for studying gene function and human disease mechanisms.
  • Existing models allow investigation into atherosclerosis, diabetes, and hyperlipidemia.
  • Apolipoprotein E (apoE) plays a key role in lipid metabolism and cardiovascular health.

Purpose of the Study:

  • To establish and characterize transgenic mouse models for studying apolipoprotein E (apoE) function.
  • To investigate the effects of apoE overexpression on plasma lipid levels and atherosclerosis.
  • To explore the potential of apoE and gene therapy for metabolic diseases.

Main Methods:

  • Generation of transgenic mouse lines with rat apolipoprotein E (apoE) gene.

Related Experiment Videos

  • Utilized metallothionein and H2 Ld promoters for tissue-specific apoE overexpression.
  • Assessed plasma cholesterol and triglyceride levels, and analyzed atherosclerotic lesion formation.

    • Main Results:

    • Hepatic apoE overexpression significantly reduced plasma cholesterol and triglyceride levels.
    • Diet-induced hypercholesterolemia was prevented in mice with liver apoE overexpression.
    • Arterial wall apoE overexpression markedly inhibited fatty streak lesion formation, indicating antiatherogenic effects.

    Conclusions:

    • Apolipoprotein E (apoE) overexpression in transgenic mice confers protection against hyperlipidemia and atherosclerosis.
    • These findings underscore the antiatherogenic role of apoE.
    • Gene therapy targeting genetic defects in metabolic diseases holds significant therapeutic promise.